Why doesnt the Tc flag in usart clear?
Posted on March 07, 2018 at 22:25HiI use stm32f407 to communicat with rs485.I use DMA to transmit data. For controllig dirction pin, I check the USART_FLAG_TC. Whet it is set, I will push Dirction pin low and clear the USART_FLAG_TC by writing with ...